Pipe union



June 24, 1930. w, s, BREMER 1,765,753

PIPE UNION Filed Juy 8, 1927 'l/l/llIlll/A l V/.IIIIIIIIA :Patentes une254, 1930' l f l 7 $155,753'

WILLIAM s. Brennen, on sr. 'on-ARLES, Missonnr,nss`ienon fronoonoMYALu-MINUM ooi/IPANY, A oonronnrioiv f :PIPE 'UNION `Application filed July8, 1927. `Serial NDL 204,266.

My invention relates to pipe unions and f adapted to Yengage ankinternally screw-` speciiically to that class of unions used fortln'eededvmit The main body portion l making. connections between pipeand a is co'ncentrioally grooved at 4, just below the tank or otherclosedvessel. 1 threaded n portionv 2, lthe groove t having 5 Theln'imary object off my'invention to Straight parallel sides adapted toreceive 55- produce a pipe' union that can be directly and hold againstshoulders 5 aA plurality .of connected to a closed tank or the like frommembers 6 vivhen `they are inserted in the` Vthe outside Without the useoi bolts, rivets lGDgtU-Clll'l glOOVGS 7- other ShOuldG'S 8 or flangedconnectionsl y y `on the members 6 are adapted to closely lit 1o@theiand further objects and advantages upon the straight SidesA 0f 2Lportion of the so my invention will be aP-pm-enpfmm the body designatedas 9,7Which is of slightly specification, claims-and drawings, which:lSSv Clllmel han th@ "SCI'SV/lliadl P01,-

Fig. l is an elevation of a tank, showing lOIl 2- f Y Y .Y

l5 Q 1, View' of H137 union Connected to lll CllillllllGlQk lilleS-{llll (lirlmil ttS lille 65.

a tank, partly in section and partly broken grooved pertlovn 4i. ThelOWSl' @11d il Of 'the away o I f n y member@l 1s yturnedat a rightangle to its Fig. 3 is an end Viewl of my' improved* llJOl' PX-1 md 1Sadapted t0 grip andholil union shown on the inside of the tank, Q11lQVlHSlClGO il ikWhGl SG-.'ted lll 2o Pmvtly broken @WayL y p l in, asshown in FiggQ and 3. y 70j Fig.` Ll is an elevation'of my improved AhOllQYV 'WiLSlHV l2 made L .IUlblOl' Y unml partly in section. y Y fotherjresilient. material having` akdiameter Fig. 5 is a crossse'ction'along the line 0f sufioient size to snugly .fit the main bodyr5-5 in Fig. 2. y portion l is shown in' position in Fig. 2 and v I Fig;lG is a, Sidel View O a holding jmelnbe COBELCS With lie N@Xt-GIBalSLiflCG 13 Of lill@ 75,`

of my improved union. Y tank .lll at its lower end and Withrthc con- A@pipe connection usually used in een` centric groove l5 on theunder sideof Ythe necting a kpipe toan air and Water tight nut 3.l y f tankconsists of 'a Yflangedmember rivetedV vWhen the nut 3 is tightlyscrewed vdown 1x30 to the head-of the tank before the head is it pressesdown the kWasher 123ml, tllHS S- 80.7. joined to the body of vthet'ank.rllhe objec- I tectivelyA prevents leakage of the contents of' tion tothis method is that'it'pnot only en v 'the tank.y l Y A K- tails greateroost to Smanufaoturm'but the Thev members Gare ot .uniform sizefand,rivets VLholding the flanged; ymember to Vth shape, andwhen it isdesired to attachtlie Y head of the tank are'often loosene'dwvhen theunionl to a vtank the ineinbers are r'hooked 85,.

pipe is screyvedrup tightly*to,ther tank, and' vabout themarginal edgeotra circular openv. especially so when the tank has been in serving'inthe head of the tank as' at v156, and are ice a longtime andrepairs arenecessary,y then lClosed down in the grooves 'Z so that` owing to therust and corrosionA Ythe strain y they layparallelfwith the majoraxisotthe' Y 4G necessaryV to loosen the joints Works `the body portionhfandthe `shoulders 5 snugly 90"' rivetsloosc, causing leaks' Whichoften'make `lit the straight-sides of the gfoove 4; the tank unfit'forfurtheruse l, When my improved union is used'forat? y. s

By the use of my improved union thev taching pipeto ai tank as shown inFigure-.

head of the tank is more cheaplymade and l, the entire overall length ofan inch pipevv 4" the rivets are not loosened and strained connectionbut slightly over l inch, Whilev when attempting'to tighten upv yorloosen* 'the ordinary unions now in. use are approxi-v the joints,- l ft mately inches in length for this sizepipel Y `f MyV improved lunionconsists of a main lt is also readily apparent that the cost `of hollow,cylindrical body l, the upperrporconstructin'*a' head of `a tank ismaterially tionQ of which is externally screw-thread'cdr less When aplain opening -isrmad'etherein@ --15 being externally'screw-threaded andengaging like threadsin Ythe nut and having its opposite end of areduced external diameter, the portion of the body'betWeenY the saidgroove and saidfreduced end havinga plu- 20 ralityv of longitudinalgrooves Ydisposed at equal distances apart about itsV periphery whichreceives and'holds said detachable members said detachable membershaving plain-faced shoulders lying opposite eaelr-V VZiother in the`same plane, said detachable members having their AloWer portions'LL-'shaped so that when inserted'in an opening of a tank the bottom or"the L-shaped pori tions Contact with andclo'sely fit the interiorV`Y30"marginal edge of said opening in said 'tank or other closed Vessel,an annular Washer of resilient material closely fitting the `body otsaid unionand disposed between the nut `screw-*threaded on the union;and the ex- I 'ternal surface of said tank or other closedy f vesselvhensaid union is inposition. Y Y f K In yvvitness'whereof I havehereunto'alixed Y mysignature thislth day of May, 1927. Y Y Y f WILLIAMS. BREMER.

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